News & Insights
The 2026 Edition is Available of A Trademark is Not a Copyright or a Patent by William M. Borchard with Deborah K. Squiers- Patent Law Alert -- USPTO Requires Foreign‑Domiciled Patent Applicants and Patent Owners to Be Represented by Registered U.S. Patent Counsel
- Cowan, Liebowitz & Latman is Hosting a CLE About Recent Copyright Developments for In-House Counsel
- Patent Law Alert -- Proposed Changes to USPTO’s Inter Partes Review Process – Does It Start a New “Race to Judgment” on Patent Invalidity?
On My Mind Blog
Case Studies
Federal Circuit upholds successful opposition against application to register LEHMAN BROTHERS for whiskey
Federal Circuit reverses cancellation of U.S. trademark registrations
We established that cigarette rolling paper size designations are generic.
The Second Circuit affirms summary judgment for our client.
We succesfully represented our client, Major League Baseball Partners, Inc.
What They Say
“Welcomed back to the firm in January 2025, Louis Ederer brings over four decades of experience representing some of the most iconic global brands. ‘Louis has a tenacity for serving his clients. He is fierce but fair and knows the relevant law inside and out.’”
2026 WTR 1000 – The World’s Leading Trademark Professionals“Maria Scungio is a seasoned trademark adviser with deep experience guiding clients through every facet of domestic and international portfolio management.”
2026 WTR 1000 – The World’s Leading Trademark Professionals"The trade mark team at Cowan Liebowitz is fantastic to deal with - with heaps of experience and expertise, they know exactly how to deliver client-friendly advice."
2025 Legal 500“Marking 40 years at the firm [in 2025], Lynn Fruchter is a cornerstone of the trademark practice, valued for her steady counsel and collaborative support."
2026 WTR 1000 – The World’s Leading Trademark Professionals"Richard S. Mandel is a phenomenal intellectual property litigator, held in high esteem for deft handling of cases at the forefront of the industry, and is lauded by peers and clients as 'a strong thinker'."
2025 Lexology Index
Why Us
Founded in 1957, we maintain long-term relationships by providing sound advice, quality legal work, and highly-responsive, personalized service.
What We Do
We represent clients of all sizes across a broad range of industries. The boutique size of our firm, and the breadth of our practice capabilities, allow us to provide a multidisciplinary approach in a cost-effective manner.
Our Clients
Our experience spans a broad range of industries and is international in scope. We appreciate the opportunity of growing with successful companies and brands, as well as creative individuals and accomplished executives.
